采用A/O-MBR脱氮除磷工艺对生活污水进行小试试验,通过改变回流策略来强化营养物的去除效果.试验结果表明,间歇回流的运行方式并没有对系统的硝化效果产生影响,全程硝化率达到了99.4％；与连续回流的运行模式相比,TP的去除率明显提高,由57.98％上升到81.5％,出水由2.13 mg/L降到了0.98 mg/L；TN的去除率由于在缺氧池的停留时间变短而有所下降,由77.4％下降至66.3％,出水由10.9 mg/L上升至15.8 mg/L；有机污染的去除率受回流模式的影响较小,去除率稳定在91.9％左右.
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